//@json
function main(tbl){
	tbl.put("table","trail_info")
	tbl.remove("towntr")
	tbl.remove("villagetr")
	try {
		$mager(tbl)
		return {code:0,msg:"更新成功!"}
	} catch (e) {
		return {code:404,msg:"更新失败!"}
	}
}